+++ /dev/null
-/* $OpenBSD: dhcpd.h,v 1.33 2004/05/06 22:29:15 deraadt Exp $ */
-
-/*
- * Copyright (c) 2004 Henning Brauer <henning@openbsd.org>
- * Copyright (c) 1995, 1996, 1997, 1998, 1999
- * The Internet Software Consortium. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of The Internet Software Consortium nor the names
- * of its contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
- * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This software has been written for the Internet Software Consortium
- * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
- * Enterprises. To learn more about the Internet Software Consortium,
- * see ``http://www.vix.com/isc''. To learn more about Vixie
- * Enterprises, see ``http://www.vix.com''.
- */
-
-#pragma once
-
-#include <winsock2.h>
-#include <iphlpapi.h>
-#include "stdint.h"
-
-#define IFNAMSIZ MAX_INTERFACE_NAME_LEN
-
-#define ETH_ALEN 6
-#define ETHER_ADDR_LEN ETH_ALEN
-#include <pshpack1.h>
-struct ether_header
-{
- u_int8_t ether_dhost[ETH_ALEN]; /* destination eth addr */
- u_int8_t ether_shost[ETH_ALEN]; /* source ether addr */
- u_int16_t ether_type; /* packet type ID field */
-};
-#include <poppack.h>
-
-struct ip
- {
- unsigned int ip_hl:4; /* header length */
- unsigned int ip_v:4; /* version */
- u_int8_t ip_tos; /* type of service */
- u_short ip_len; /* total length */
- u_short ip_id; /* identification */
- u_short ip_off; /* fragment offset field */
-#define IP_RF 0x8000 /* reserved fragment flag */
-#define IP_DF 0x4000 /* dont fragment flag */
-#define IP_MF 0x2000 /* more fragments flag */
-#define IP_OFFMASK 0x1fff /* mask for fragmenting bits */
- u_int8_t ip_ttl; /* time to live */
- u_int8_t ip_p; /* protocol */
- u_short ip_sum; /* checksum */
- struct in_addr ip_src, ip_dst; /* source and dest address */
- };
-
-struct udphdr {
- u_int16_t uh_sport; /* source port */
- u_int16_t uh_dport; /* destination port */
- u_int16_t uh_ulen; /* udp length */
- u_int16_t uh_sum; /* udp checksum */
-};
-
-#define ETHERTYPE_IP 0x0800
-#define IPTOS_LOWDELAY 0x10
-#define ARPHRD_ETHER 1
-
-// FIXME: I have no idea what this should be!
-#define SIZE_T_MAX 1600
-
-#define USE_SOCKET_RECEIVE
-#define USE_SOCKET_SEND
-
-#include <sys/types.h>
-#include <sys/stat.h>
-//#include <sys/time.h>
-#include <ctype.h>
-#include <fcntl.h>
-#include <limits.h>
-//#include <unistd.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-//#include <unistd.h>
-
-#include "dhcp.h"
-#include "tree.h"
-
-#define LOCAL_PORT 68
-#define REMOTE_PORT 67
-
-struct option_data {
- int len;
- u_int8_t *data;
-};
-
-struct string_list {
- struct string_list *next;
- char *string;
-};
-
-struct iaddr {
- int len;
- unsigned char iabuf[16];
-};
-
-struct iaddrlist {
- struct iaddrlist *next;
- struct iaddr addr;
-};
-
-struct packet {
- struct dhcp_packet *raw;
- int packet_length;
- int packet_type;
- int options_valid;
- int client_port;
- struct iaddr client_addr;
- struct interface_info *interface;
- struct hardware *haddr;
- struct option_data options[256];
-};
-
-struct hardware {
- u_int8_t htype;
- u_int8_t hlen;
- u_int8_t haddr[16];
-};
-
-struct client_lease {
- struct client_lease *next;
- time_t expiry, renewal, rebind;
- struct iaddr address;
- char *server_name;
-#ifdef __REACTOS__
- time_t obtained;
- struct iaddr serveraddress;
-#endif
- char *filename;
- struct string_list *medium;
- unsigned int is_static : 1;
- unsigned int is_bootp : 1;
- struct option_data options[256];
-};
-
-/* Possible states in which the client can be. */
-enum dhcp_state {
- S_REBOOTING,
- S_INIT,
- S_SELECTING,
- S_REQUESTING,
- S_BOUND,
- S_RENEWING,
- S_REBINDING,
- S_STATIC
-};
-
-struct client_config {
- struct option_data defaults[256];
- enum {
- ACTION_DEFAULT,
- ACTION_SUPERSEDE,
- ACTION_PREPEND,
- ACTION_APPEND
- } default_actions[256];
-
- struct option_data send_options[256];
- u_int8_t required_options[256];
- u_int8_t requested_options[256];
- int requested_option_count;
- time_t timeout;
- time_t initial_interval;
- time_t retry_interval;
- time_t select_interval;
- time_t reboot_timeout;
- time_t backoff_cutoff;
- struct string_list *media;
- char *script_name;
- enum { IGNORE, ACCEPT, PREFER }
- bootp_policy;
- struct string_list *medium;
- struct iaddrlist *reject_list;
-};
-
-struct client_state {
- struct client_lease *active;
- struct client_lease *new;
- struct client_lease *offered_leases;
- struct client_lease *leases;
- struct client_lease *alias;
- enum dhcp_state state;
- struct iaddr destination;
- u_int32_t xid;
- u_int16_t secs;
- time_t first_sending;
- time_t interval;
- struct string_list *medium;
- struct dhcp_packet packet;
- int packet_length;
- struct iaddr requested_address;
- struct client_config *config;
-};
-
-struct interface_info {
- struct interface_info *next;
- struct hardware hw_address;
- struct in_addr primary_address;
- char name[IFNAMSIZ];
- int rfdesc;
- int wfdesc;
- unsigned char *rbuf;
- size_t rbuf_max;
- size_t rbuf_offset;
- size_t rbuf_len;
- struct client_state *client;
- int noifmedia;
- int errors;
- int dead;
- u_int16_t index;
-};
-
-struct timeout {
- struct timeout *next;
- time_t when;
- void (*func)(void *);
- void *what;
-};
-
-struct protocol {
- struct protocol *next;
- int fd;
- void (*handler)(struct protocol *);
- void *local;
-};
-
-#define DEFAULT_HASH_SIZE 97
-
-struct hash_bucket {
- struct hash_bucket *next;
- unsigned char *name;
- int len;
- unsigned char *value;
-};
-
-struct hash_table {
- int hash_count;
- struct hash_bucket *buckets[DEFAULT_HASH_SIZE];
-};
-
-/* Default path to dhcpd config file. */
-#define _PATH_DHCLIENT_CONF "/etc/dhclient.conf"
-#define _PATH_DHCLIENT_DB "/var/db/dhclient.leases"
-#define DHCPD_LOG_FACILITY LOG_DAEMON
-
-#define MAX_TIME 0x7fffffff
-#define MIN_TIME 0
-
-/* External definitions... */
-
-/* options.c */
-int cons_options(struct packet *, struct dhcp_packet *, int,
- struct tree_cache **, int, int, int, u_int8_t *, int);
-char *pretty_print_option(unsigned int,
- unsigned char *, int, int, int);
-void do_packet(struct interface_info *, struct dhcp_packet *,
- int, unsigned int, struct iaddr, struct hardware *);
-
-/* errwarn.c */
-extern int warnings_occurred;
-#ifdef _MSC_VER
-void error(char *, ...);
-int warning(char *, ...);
-int note(char *, ...);
-int debug(char *, ...);
-int parse_warn(char *, ...);
-#else
-void error(char *, ...) __attribute__ ((__format__ (__printf__, 1, 2)));
-int warning(char *, ...) __attribute__ ((__format__ (__printf__, 1, 2)));
-int note(char *, ...) __attribute__ ((__format__ (__printf__, 1, 2)));
-int debug(char *, ...) __attribute__ ((__format__ (__printf__, 1, 2)));
-int parse_warn(char *, ...) __attribute__ ((__format__ (__printf__, 1, 2)));
-#endif
-
-/* conflex.c */
-extern int lexline, lexchar;
-extern char *token_line, *tlname;
-extern char comments[4096];
-extern int comment_index;
-extern int eol_token;
-void new_parse(char *);
-int next_token(char **, FILE *);
-int peek_token(char **, FILE *);
-
-/* parse.c */
-void skip_to_semi(FILE *);
-int parse_semi(FILE *);
-char *parse_string(FILE *);
-int parse_ip_addr(FILE *, struct iaddr *);
-void parse_hardware_param(FILE *, struct hardware *);
-void parse_lease_time(FILE *, time_t *);
-unsigned char *parse_numeric_aggregate(FILE *, unsigned char *, int *,
- int, int, int);
-void convert_num(unsigned char *, char *, int, int);
-time_t parse_date(FILE *);
-
-/* tree.c */
-pair cons(caddr_t, pair);
-
-/* alloc.c */
-struct string_list *new_string_list(size_t size);
-struct hash_table *new_hash_table(int);
-struct hash_bucket *new_hash_bucket(void);
-void dfree(void *, char *);
-void free_hash_bucket(struct hash_bucket *, char *);
-
-
-/* bpf.c */
-int if_register_bpf(struct interface_info *);
-void if_register_send(struct interface_info *);
-void if_register_receive(struct interface_info *);
-ssize_t send_packet(struct interface_info *, struct dhcp_packet *, size_t,
- struct in_addr, struct sockaddr_in *, struct hardware *);
-ssize_t receive_packet(struct interface_info *, unsigned char *, size_t,
- struct sockaddr_in *, struct hardware *);
-
-/* dispatch.c */
-extern void (*bootp_packet_handler)(struct interface_info *,
- struct dhcp_packet *, int, unsigned int, struct iaddr, struct hardware *);
-void discover_interfaces(struct interface_info *);
-void reinitialize_interfaces(void);
-void dispatch(void);
-void got_one(struct protocol *);
-void add_timeout(time_t, void (*)(void *), void *);
-void cancel_timeout(void (*)(void *), void *);
-void add_protocol(char *, int, void (*)(struct protocol *), void *);
-void remove_protocol(struct protocol *);
-struct protocol *find_protocol_by_adapter( struct interface_info * );
-int interface_link_status(char *);
-
-/* hash.c */
-struct hash_table *new_hash(void);
-void add_hash(struct hash_table *, unsigned char *, int, unsigned char *);
-unsigned char *hash_lookup(struct hash_table *, unsigned char *, int);
-
-/* tables.c */
-extern struct dhcp_option dhcp_options[256];
-extern unsigned char dhcp_option_default_priority_list[];
-extern int sizeof_dhcp_option_default_priority_list;
-extern struct hash_table universe_hash;
-extern struct universe dhcp_universe;
-void initialize_universes(void);
-
-/* convert.c */
-u_int32_t getULong(unsigned char *);
-int32_t getLong(unsigned char *);
-u_int16_t getUShort(unsigned char *);
-int16_t getShort(unsigned char *);
-void putULong(unsigned char *, u_int32_t);
-void putLong(unsigned char *, int32_t);
-void putUShort(unsigned char *, unsigned int);
-void putShort(unsigned char *, int);
-
-/* inet.c */
-struct iaddr subnet_number(struct iaddr, struct iaddr);
-struct iaddr broadcast_addr(struct iaddr, struct iaddr);
-int addr_eq(struct iaddr, struct iaddr);
-char *piaddr(struct iaddr);
-
-/* dhclient.c */
-extern char *path_dhclient_conf;
-extern char *path_dhclient_db;
-extern time_t cur_time;
-extern int log_priority;
-extern int log_perror;
-
-extern struct client_config top_level_config;
-
-void dhcpoffer(struct packet *);
-void dhcpack(struct packet *);
-void dhcpnak(struct packet *);
-
-void send_discover(void *);
-void send_request(void *);
-void send_decline(void *);
-
-void state_reboot(void *);
-void state_init(void *);
-void state_selecting(void *);
-void state_requesting(void *);
-void state_bound(void *);
-void state_panic(void *);
-
-void bind_lease(struct interface_info *);
-
-void make_discover(struct interface_info *, struct client_lease *);
-void make_request(struct interface_info *, struct client_lease *);
-void make_decline(struct interface_info *, struct client_lease *);
-
-void free_client_lease(struct client_lease *);
-void rewrite_client_leases(struct interface_info *);
-void write_client_lease(struct interface_info *, struct client_lease *, int);
-
-void priv_script_init(struct interface_info *, char *, char *);
-void priv_script_write_params(struct interface_info *, char *, struct client_lease *);
-int priv_script_go(void);
-
-void script_init(char *, struct string_list *);
-void script_write_params(char *, struct client_lease *);
-int script_go(void);
-void client_envadd(struct client_state *,
- const char *, const char *, const char *, ...);
-void script_set_env(struct client_state *, const char *, const char *,
- const char *);
-void script_flush_env(struct client_state *);
-int dhcp_option_ev_name(char *, size_t, struct dhcp_option *);
-
-struct client_lease *packet_to_lease(struct packet *);
-void go_daemon(void);
-void client_location_changed(void);
-
-void bootp(struct packet *);
-void dhcp(struct packet *);
-
-/* packet.c */
-void assemble_hw_header(struct interface_info *, unsigned char *,
- int *, struct hardware *);
-void assemble_udp_ip_header(unsigned char *, int *, u_int32_t, u_int32_t,
- unsigned int, unsigned char *, int);
-ssize_t decode_hw_header(unsigned char *, int, struct hardware *);
-ssize_t decode_udp_ip_header(unsigned char *, int, struct sockaddr_in *,
- unsigned char *, int);
-
-/* ethernet.c */
-void assemble_ethernet_header(struct interface_info *, unsigned char *,
- int *, struct hardware *);
-ssize_t decode_ethernet_header(struct interface_info *, unsigned char *,
- int, struct hardware *);
-
-/* clparse.c */
-int read_client_conf(struct interface_info *);
-void read_client_leases(void);
-void parse_client_statement(FILE *, struct interface_info *,
- struct client_config *);
-int parse_X(FILE *, u_int8_t *, int);
-int parse_option_list(FILE *, u_int8_t *);
-void parse_interface_declaration(FILE *, struct client_config *);
-struct interface_info *interface_or_dummy(char *);
-void make_client_state(struct interface_info *);
-void make_client_config(struct interface_info *, struct client_config *);
-void parse_client_lease_statement(FILE *, int);
-void parse_client_lease_declaration(FILE *, struct client_lease *,
- struct interface_info **);
-struct dhcp_option *parse_option_decl(FILE *, struct option_data *);
-void parse_string_list(FILE *, struct string_list **, int);
-void parse_reject_statement(FILE *, struct client_config *);
-
-/* privsep.c */
-struct buf *buf_open(size_t);
-int buf_add(struct buf *, void *, size_t);
-int buf_close(int, struct buf *);
-ssize_t buf_read(int, void *, size_t);
-void dispatch_imsg(int);
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